I did once, and only once. And i felt horribly guilty for it. I had to go to a wedding and i was so broke with no summer dresses, bought it , wore it carefully, returned it.
I used to be a manager at New York and Company and i would get women trying to return pants, that they had put that tape you can iron in, to hem pants. I would point it out that we couldnt take anything back that had been altered and i would get the "but i bought it that way" line. Yea, mm hmm, I am not gullible!
I would also get clothes back that REEKED like food, especially from Indian (dot not native american) Women. We would just bag them and claim as damaged.

I've worked in retail and have seen people do this all the time and it INFURIATES me! You might think it's not hurting anyone, but at some places people work on commission. Which means if you return it, you're messing with their salary, which if you've ever worked in retail, you'll know it's not much. If they've waited on you and spent any time on you and you return it after you've worn it, you've wasted their time that they could've spent on someone who might actually keep something.
It's dishonest and slimey in my opinion. When I worked in retail, there was a customer who shopped in the designer department and every time she bought something, she would return it. We knew she wore things - in fact, she bought a cape and a few days later, I saw her wearing the cape and then the following week, she returned it!
Tacky, disgusting and low class and to me, just as bad as shoplifting.

I've been guilty a few times in college. I wanted something, bought it, worn it, been strapped for cash and then returned it. Now I am just guilty of spending about an hour pondering over an item in the store and then not buying it.

ugh I work in retail, and I will tell you this, yes we can tell if soemone has worn the garment, and so can other shoppers, and NO they will not want to buy the returned item, so when you get your money back for something you've returned (because cashiers are dumb and will take anything back) just remember you've pretty much just stolen money... yes you paid for it, and it may not be damaged in your eyes, but in reality it has body oder, whatever oproducts you use on it ect, and no one will want to buy it...
when you do this just think, would you want to buy soemthing someone else has already bought and worn out?